Mitsubishi Electric FX3G SERIES Programming Manual page 453

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
Program examples
In programs, the contents of buffer memories (BFMs) in special extension units/blocks are read (transferred) to data
registers (D), extension registers (R) and auxiliary relays (M) with digit specification using the FROM instruction and
direct specification of buffer memories
*1. This function is supported only in FX
Example: When the BFM #4 (abnormal station information) in the CC-Link/LT master unit (whose unit number is fixed
to "0") built in the FX
-In case of FROM instruction
M8000
-In case of MOV instruction
M8000
Example: When the BFMs #0 to 3 (remote station connection information) in the CC-Link/LT master unit (whose unit
number is fixed to "0") built in the FX
-In case of FROM instruction
M0
-In case of BMOV instruction
M0
*1
.
/FX
3U 3UC
-32MT-LT(-2) is read to D0
3UC
FNC 78
K0 K4
FROM
Unit BFM #4
No. 0
FNC 12
U0\G4 D0
MOV
Unit No. 0 Transfer
destination
BFM #4
-32MT-LT(-2) are read to D10 to D13
3UC
FNC 78
K0 K0
FROMP
Unit BFM #0
destination
No. 0
FNC 15
U0\G0 D10
BMOVP
Unit No. 0 Transfer
destination
BFM #0
15 External FX I/O Device – FNC 70 to FNC 79
15.9 FNC 78 – FROM / Read From A Special Function Block
PLCs.
D0 K1
Number of
Transfer
transfer
destination
points
D10 K4
Number of
Transfer
transfer
points
K4
Number of
transfer
points
11
12
13
14
15
16
17
18
19
20
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